What is the Least Common Multiple of 81947 and 81956?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 81947 and 81956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81947 and 81956, than apply into the LCM equation.

GCF(81947,81956) = 1
LCM(81947,81956) = ( 81947 × 81956) / 1
LCM(81947,81956) = 6716048332 / 1
LCM(81947,81956) = 6716048332

Least Common Multiple (LCM) of 81947 and 81956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81947 and 81956. First we will calculate the prime factors of 81947 and 81956.

Prime Factorization of 81947

Prime Factorization of 81956

Now multiplying the highest exponent prime factors to calculate the LCM of 81947 and 81956.

LCM(81947,81956) = 19² × 227¹ × 2² × 7¹ × 2927¹
LCM(81947,81956) = 6716048332